In Illinois state court, Greg has trial experience in cases on breach of contract, fraudulent inducement, defamation, tortious interference and various other business torts.

Greg is admitted to practice before the United States Patent and Trademark Office. His experience at the Patent Office includes patent prosecution, appeals to the Patent Trial and Appeal Board, and patent reexamination proceedings.

Greg is a registered member of the Illinois Bar, the Trial Bar for the Northern District of Illinois, the Federal Circuit Bar and the Patent Bar.

Greg is an Adjunct Professor at DePaul College of Law where he teaches courses on various topics in intellectual property.

Prior to his legal career, Greg spent 14 years in environmental engineering working for one of the largest engineering consulting firms in the country. During that time, he was licensed as a Registered Professional Engineer in Illinois, Indiana and Wisconsin. He currently serves on the Board of Directors for a public water utility in Indiana.